Home / 45,053.71-67,493.08-21,696.55

Finding the Fourth Proportional to 45,053.71, 67,493.08 and 21,696.55

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Solution

The fourth proportional to 45,053.71, 67,493.08 and 21,696.55 is: 32,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,053.71 : 67,493.08 = 21,696.55 : x
  2. Step 2: Convert to fraction form
    45,053.71/67,493.08 = 21,696.55/x
  3. Step 3: Cross multiply
    45,053.71x = 67,493.08 × 21,696.55
  4. Step 4: Simplify right side
    45,053.71x = 1,464,366,984.87
  5. Step 5: Solve for x
    x = 1,464,366,984.87/45,053.71
  6. Step 6: Final answer
    x = 32,502.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.